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公开(公告)号：KR1020110042932A
公开(公告)日：2011-04-27
申请号：KR1020090099807
申请日：2009-10-20
申请人： 한국지질자원연구원
CPC分类号： B01D53/62 , B01D2257/504 , B02C23/08 , Y02C10/04
摘要： PURPOSE: A method for solidifying carbon dioxide is provided to improve the stability of a carbon dioxide solidifying process by carbonating carbon dioxide gas applied to calcium oxide-based compound containing water. CONSTITUTION: A calcium oxide-based compound is prepared. The calcium oxide-based compound includes either of 4CaO,Al_2O_3,Fe_2O_3 or 3CaO,Al_2O_3,3CaSO_4,32H_2O. The calcium oxide-based compound is from wasted cement. Water is added to the calcium oxide-based compound. Carbon dioxide gas is applied to the calcium oxide-based compound containing water. The carbon dioxide gas is carbonated.
摘要翻译： 目的：提供一种固化二氧化碳的方法，以通过碳酸化施加到含氧化钙基化合物的水的二氧化碳气化来改善二氧化碳固化方法的稳定性。 构成：制备氧化钙基化合物。 基于氧化钙的化合物包括4CaO，Al_2O_3，Fe_2O_3或3CaO，Al_2O_3,3CaSO_4,32H_2O中的任一种。 氧化钙类化合物来自废水泥。 将水加入到基于氧化钙的化合物中。 将二氧化碳气体施加到含水的氧化钙基化合物上。 二氧化碳气体被碳酸化。
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公开(公告)号：KR100500731B1
公开(公告)日：2005-07-12
申请号：KR1020030021292
申请日：2003-04-04
申请人： 한국지질자원연구원
IPC分类号： C01F11/18
摘要： 본 발명은 침강성 탄산칼슘 재결정 반응 장치 및 방법에 관한 것으로, 탄산칼슘의 입도 및 입형을 자유롭게 변형 생산할 수 있도록 함을 목적으로 한다.
개시된 본 발명에 따른 침강성 탄산칼슘 재결정 반응 장치는, 증류수와 산화칼슘(CaO)의 반응에 의해 수산화칼슘(Ca(OH)
2 )현탁액을 생성하는 수화반응수단(100)과; 탄산가스(CO
2 )를 공급하는 탄산가스공급수단(200)과; 상기 수화반응수단과 탄산가스공급수단에서 각각 공급되는 수산화칼슘 현탁액과 탄산가스에 의해 탄산화 반응을 일으켜 탄산칼슘이 생성되도록 하는 주반응수단(300)과; 상기 주반응수단의 내부 온도를 조절하는 온도조절수단(400)과; 상기 주반응수단에서 생성된 탄산칼슘 현탁액을 여과하는 여과수단(500)과; 상기 주반응부 내부를 세척하는 세척수단과; 그리고, 상기의 각 수단의 작동을 제어하는 컨트롤러를 포함하여 구성된다.-
公开(公告)号：KR1020040087062A
公开(公告)日：2004-10-13
申请号：KR1020030021302
申请日：2003-04-04
申请人： 한국지질자원연구원
IPC分类号： C04B18/16
CPC分类号： Y02W30/95 , C04B18/167 , C04B18/023 , C04B20/026 , C04B20/04
摘要： PURPOSE: A method for preparing a recycled aggregate and a recycled aggregate prepared by the method are provided, to obtain the recycled aggregate having the quality equal to or superior to that of a natural aggregate from the cement·concrete mass for reducing environmental pollution. CONSTITUTION: The method comprises the steps of heating the cement·concrete mass generated by the destruction of cement·concrete construction at a temperature of 100-600 deg.C; pulverizing the heated one into a size less than a maximum aggregate size; heating the pulverized one at a temperature of 100-600 deg.C to remove the cement·mortar part adhered to the surface of coarse aggregate particles by the vibration or rotation of rods or balls or the polishing due to the friction of aggregate; and collecting aggregate particles by classification.
摘要翻译： 目的：提供一种通过该方法制备的再生骨料和再生骨料的制备方法，从而获得质量等于或优于天然骨料质量的再生骨料，以减少环境污染。 构成：该方法包括在100-600摄氏度的温度下加热由水泥·混凝土结构破坏产生的水泥混凝土块; 将加热的粉碎成小于最大骨料尺寸的尺寸; 在100-600℃的温度下加热粉碎的粉末，以通过棒或球的振动或旋转或由于骨料的摩擦而抛光粘附到粗骨料颗粒表面的水泥砂浆部分; 并通过分类收集骨料颗粒。
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公开(公告)号：KR1020040087061A
公开(公告)日：2004-10-13
申请号：KR1020030021301
申请日：2003-04-04
申请人： 한국지질자원연구원
IPC分类号： C04B5/00
摘要： PURPOSE: A method for preparing Portland cement by using the waste concrete fine powder and Portland cement prepared by the method are provided, to obtain Portland cement by using the dust discharged in the heating pulverization process of the preparation of waste concrete recycled aggregate. CONSTITUTION: The method comprises the steps of drying and pulverizing silicon oxide, aluminum oxide, iron oxide, calcium oxide, magnesium oxide and potassium oxide to prepare a source material; mixing the obtained source material with limestone, pumice, converter slag, fly ash and waste concrete fine powder; drying the mixture and calcining the dried one at a temperature of 800-1,000 deg.C for 1-2 hours for decarboxylation; and calcining the obtained one at a temperature of 1,450 deg.C or more for 1-2 hours. Preferably the content of the waste concrete fine powder is 1.50-7.74 wt%.
摘要翻译： 目的：提供一种通过使用通过该方法制备的废混凝土细粉和波特兰水泥制备波特兰水泥的方法，通过在制备废混凝土再生骨料的加热粉碎过程中使用排出的粉尘获得波特兰水泥。 构成：该方法包括干燥和粉碎氧化硅，氧化铝，氧化铁，氧化钙，氧化镁和氧化钾以制备源材料的步骤; 将得到的原料与石灰石，浮石，转炉渣，粉煤灰和废混凝土细粉混合; 将混合物干燥并在800-1000℃的温度下煅烧干燥的树脂1-2小时脱羧; 并将所得到的物质在1450℃以上的温度下煅烧1-2小时。 优选废混凝土细粉的含量为1.50-7.74重量％。
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公开(公告)号：KR1020040023438A
公开(公告)日：2004-03-18
申请号：KR1020020055163
申请日：2002-09-11
申请人： 한국지질자원연구원
IPC分类号： C04B18/04
摘要： PURPOSE: A production method of clinker and eco-cement using ash generated during the incineration of domestic waste and sewage sludge is provided, which recycles waste materials and saves energy due to low sintering temperature. CONSTITUTION: The clinker is produced by mixing 87-92wt.% of limestone, 1-4wt.% of alumina-based materials, 1-2wt.% of clay, 2-6wt.% of sewage sludge, 6-10wt.% of incineration ash, decarbonating the mixture at 900deg.C for 1hr and sintering it at 1250-1350deg.C for 1hr. Eco-cement is produced by grinding produced clinker to become powder having specific surface of 2000-6000cm¬2/g and adding 8-12wt.% of gypsum, preferably anhydrous gypsum obtained by heating gypsum selected from phosphogypsum byproduct, FGD gypsum, natural gypsum, etc. at 700-900deg.C.
摘要翻译： 目的：提供生活垃圾和污水污泥焚烧过程中生成的熟料和生态水泥的生产方法，循环利用废料，降低烧结温度，节约能源。 构成：熟料是通过混合87-92重量％的石灰石，1-4重量％的氧化铝基材料，1-2重量％的粘土，2-6重量％的污泥，6-10重量％的 焚烧灰，将混合物在900℃下脱碳1小时，并在1250-1350℃烧结1小时。 通过研磨生产的熟料来生产生物水泥成为比表面积为2000-6000cm2 / g的粉末，并加入8-12wt％的石膏，优选无水石膏，其通过加热选自磷石膏副产物，FGD石膏，天然石膏的石膏 等700-900℃。
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公开(公告)号：KR1020040023437A
公开(公告)日：2004-03-18
申请号：KR1020020055162
申请日：2002-09-11
申请人： 한국지질자원연구원
IPC分类号： C01F11/18
CPC分类号： C01F11/181 , Y02W30/20 , Y02W30/524 , Y02W30/526 , Y02W30/542
摘要： PURPOSE: Provided is a preparation method of aragonite-type calcium carbonate through a carbonation process by reacting CO2 gas with dust generated from a stainless steel refining process. The resultant aragonite(CaCO3) is applied to high functional materials requiring mechanical strength and optical property. CONSTITUTION: The aragonite-type calcium carbonate is prepared by the following steps of: preprocessing dust generated from stainless steel refining process through sieving, gravity separating, magnetic separating, filtering and drying; preparing Ca(OH)2 slurry by adding dust containing 1-15wt.% of Ca(OH)2 to 2L of Mg(Cl)2 solution containing 0.1-1.0M of Mg(Cl)2 in a glass reactor; flowing high purity CO2 gas at a rate of 0.1-1.0L/min between 40 and 80deg.C into the reactor with stirring for carbonation of Ca(OH)2 sludge; washing, filtering and drying.
摘要翻译： 目的：通过碳酸化方法通过使CO2气体与不锈钢精炼过程产生的粉尘反应，提供了一种霰石型碳酸钙的制备方法。 所得文石（CaCO3）被应用于需要机械强度和光学性能的高功能材料。 构成：霰石型碳酸钙通过以下步骤制备：通过筛分，重力分离，磁选分离，过滤和干燥预处理不锈钢精炼过程产生的粉尘; 通过在玻璃反应器中加入含有1-15重量％Ca（OH）2的粉末至含有0.1-1.0M Mg（Cl）2的Mg（Cl）2溶液的2L Mg（Cl）2溶液中制备Ca（OH）2浆料; 将高纯度二氧化碳气体以0.1〜1.0L / min的速度流入反应器中，搅拌使Ca（OH）2污泥碳酸化; 洗涤，过滤和干燥。
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公开(公告)号：KR1020040023436A
公开(公告)日：2004-03-18
申请号：KR1020020055161
申请日：2002-09-11
申请人： 한국지질자원연구원
CPC分类号： Y02W30/94 , C04B11/26 , C01F11/46 , Y02W30/20 , Y02W30/523 , Y02W30/524 , Y02W30/526 , Y02W30/90
摘要： PURPOSE: Provided is a preparation method of β-gypsum hemihydrate by using sludge generated by a refining process of stainless steel and waste sulfuric acid generated by a plating process. The method recycles waste resources and decreases environmental problems. CONSTITUTION: The preparation method of β-gypsum hemihydrate(CaSO4·1/2H2O) comprises the steps of: preparing Ca(OH)2 suspension by preprocessing sludge generated by refining processes of stainless steel through sieving, gravity separating, magnetic separating, filtering and drying; removing impurities such as iron ions from waste sulfuric acid; reacting Ca(OH)2 suspension with sulfuric acid in a molar ratio of 1:0.4 - 1:1.2 at 20-100deg.C; adding 1-20wt.% of NaCl; drying it at 50deg.C for 24hrs to stabilize gypsum hemihydrate.
摘要翻译： 目的：提供通过不锈钢精炼工艺生产的污泥和电镀工艺产生的废硫酸制备β-石膏半水合物的制备方法。 该方法循环利用废物资源，减少环境问题。 构成：β-石膏半水合物（CaSO4·1 / 2H2O）的制备方法包括以下步骤：通过筛分，重力分离，磁分离，过滤等不锈钢精炼工艺生产的污泥进行预处理，制备Ca（OH）2悬浮液 烘干; 从废硫酸中除去铁离子等杂质; 在20-100℃下使Ca（OH）2悬浮液与摩尔比为1:0.4-1:1.2的硫酸反应; 加入1-20重量％的NaCl; 在50℃干燥24小时以稳定石膏半水合物。
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公开(公告)号：KR102240695B1
公开(公告)日：2021-04-15
申请号：KR1020210003968
申请日：2021-01-12
申请人： 한국지질자원연구원
发明人： 김형석 , 안지환 , 박정규 , 모스코소핀토파우스토지오바니
IPC分类号： C04B7/32 , C04B7/24 , C04B7/60 , C04B7/36 , C04B7/38 , C04B7/43 , C04B7/52 , C01D5/00 , C01D5/18
摘要： 본발명은굴 양식장에서굴을채취하는박신과정에서대량으로발생되지만, 재활용할수 있는용도가없어방치되고있는굴 패각과, 국내에대량으로매장되어있지만경제적으로활용할수 있는새로운용도가없어이용하지못하고않는명반석을활용하여알루미나질클링커및 황산칼륨을제조하는방법, 상기의방법에의해제조된알루미나질클링커를원료로포함하는시멘트조성물, 및상기의방법에의해제조된황산칼륨을원료로포함하는칼리비료조성물을제공한다.
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公开(公告)号：KR101789191B1
公开(公告)日：2017-10-23
申请号：KR1020150140670
申请日：2015-10-07
申请人： 한국지질자원연구원
摘要： 본발명은비표면적이 300 ㎡/g 이상이고하기관계식 1을만족하며, 그래핀의표면에백금나노입자가형성된백금-그래핀나노복합체에관한것이다. [관계식 1] I/I≥ 1.2 (상기관계식 1에서, I/I는촉매활성척도로, 순환전압전류법을통해측정한전압-전류그래프에서산화시 최대전류값(I)을환원시 최대전류값(I)으로나눈값이다.)
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公开(公告)号：KR101774846B1
公开(公告)日：2017-09-05
申请号：KR1020170061768
申请日：2017-05-18
申请人： 한국지질자원연구원
摘要： 본발명은텅스텐원광을준비하는단계(제1단계); 상기텅스텐원광에소다회를첨가하여분쇄하여혼합물을제조하는단계(제2단계); 끓는물을준비하고상기혼합물을투입하여반응시켜수침출시키는단계(제3단계); 상기반응이후에고액분리하고액체를회수하여상기수침출시키는단계로이송하는단계(제4단계); 및상기텅스텐원광중 95% 이상이액상으로침출되었을때 상기액체를회수하는단계(제5단계)를포함하는저품위텅스텐원광으로부터텅스텐회수방법을제공한다. 따라서국내의상동광산에서산출되는초 저품위텅스텐원광으로부터텅스텐을수용성텅스텐산나트륨(NaWO)으로변화시켜액상으로 95 % 이상침출하여회수할수 있다.
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